Home / 9,783,239.20-14,608,980.83-7,989,683.20

Finding the Fourth Proportional to 9,783,239.20, 14,608,980.83 and 7,989,683.20

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Solution

The fourth proportional to 9,783,239.20, 14,608,980.83 and 7,989,683.20 is: 11,930,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783,239.20 : 14,608,980.83 = 7,989,683.20 : x
  2. Step 2: Convert to fraction form
    9,783,239.20/14,608,980.83 = 7,989,683.20/x
  3. Step 3: Cross multiply
    9,783,239.20x = 14,608,980.83 × 7,989,683.20
  4. Step 4: Simplify right side
    9,783,239.20x = 116,721,128,706,573.06
  5. Step 5: Solve for x
    x = 116,721,128,706,573.06/9,783,239.20
  6. Step 6: Final answer
    x = 11,930,724.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.